Unverified80% confidenceDecision RuleTime unknown
护膝袜筒口氨纶含量在5%-8%区间弹力与持久度最平衡；超过10%初期紧但反复洗涤后松弛更快，低于3%则勒痕明显
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80%
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Long-term
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Unverified面料含氨纶（弹性纤维）4%-8%时兼顾弹力与回弹保型，低于3%活动受限，高于10%易松垮变形且久穿后膝盖易鼓包84% similarUnverified紧身裤氨纶含量建议控制在3%-5%，超过5%（如氨纶6%以上或加入涤纶弹力丝）虽然贴身舒适但极易膝盖鼓包、洗后松垮，穿几次就变形84% similarUnverified含2-4%氨纶（弹性纤维）的西装裤久坐久站更舒适，但氨纶比例超过5%会导致膝盖处易鼓包变形且洗后弹性衰减快83% similarUnverified打底裤氨纶（弹性纤维）含量在8%-15%时弹力与塑形平衡最佳；低于5%易松垮无收腹，高于20%虽包裹紧但久坐易勒痕且回弹疲劳快82% similarUnverified弹力含量氨纶2%-3%（含棉97%左右）是显瘦与耐穿的平衡点；氨纶>5%虽紧包腿但反复水洗后易松垮变形、膝盖鼓包81% similar
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